Finding the Fourth Proportional to 13,065, 18,029.72 and 7,476.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,065 : 18,029.72 = 7,476.12 : x
2. Step 2: Convert to fraction form
   13,065/18,029.72 = 7,476.12/x
3. Step 3: Cross multiply
   13,065x = 18,029.72 × 7,476.12
4. Step 4: Simplify right side
   13,065x = 134,792,350.29
5. Step 5: Solve for x
   x = 134,792,350.29/13,065
6. Step 6: Final answer
   x = 10,317.06